22017K Trailer Idler Hub Kits 5 on 4.5 for 3500 lbs Axle 1/2-20 Thread Set of 2

Product Overview

This aftermarket replacement trailer idler hub kit is supplied as a set of two for 3500 lbs axle applications with a 5 on 4.5 inch bolt pattern and 1/2 inch-20 thread, and cross-references part number 22017K. An idler hub assembly mounts to a trailer axle spindle and provides a rotating mounting surface for the wheel while supporting the load on the axle. These kits are used when servicing or replacing trailer hub components on the listed axle configuration.

Key Features & Performance

• Idler hub assemblies provide a rotating mounting surface for trailer wheels on the axle spindle
• 5 on 4.5 inch bolt pattern with 1/2 inch-20 thread studs as specified in the title
• References part number 22017K for comparison with the existing component
• Supplied as a set of two for 3500 lbs axle applications
• Used when servicing or replacing trailer hub components on the listed axle configuration

Fitment & Compatibility

• for 3500 lbs axle applications with 5 on 4.5 inch bolt pattern

Common Uses

• Replacing worn, damaged, or malfunctioning trailer idler hubs
• Routine trailer axle maintenance and service
• Restoring normal wheel mounting function after the original hub components have failed

Technical Specifications

• Product Type: Trailer Idler Hub Kit
• Part Number: 22017K
• Bolt Pattern: 5 on 4.5 inch
• Thread Size: 1/2 inch-20
• Axle Capacity: 3500 lbs
• Quantity: Set of 2
• General Application: Trailer axle applications

Frequently Asked Questions

Q: What is a trailer idler hub kit used for? A: A trailer idler hub kit provides the hub assembly that mounts to a trailer axle spindle and supports the wheel as it rotates.

Q: How do I verify this hub kit fits my trailer? A: Compare the part number 22017K, the 5 on 4.5 inch bolt pattern, the 1/2 inch-20 thread size, and the 3500 lbs axle capacity against your existing hub and axle specifications before ordering.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.